Question: Feces is made of ________________________ (select all that apply).
Answer Options: bacteria intestinal cells undigested fiber none of these are found in feces Correct Answer: bacteria intestinal cells undigested fiber
Question: The type of connective tissue which stores lipids is called:
Answer Options: adipose bone cartilage dense connective Correct Answer: adipose
Question: The enzymatic or chemical process of digestion begins in the ______.
Answer Options: mouth esophagus stomach small intestine large intestine pancreas liver Correct Answer: mouth
Question: Which of these cells is NOT living tissue?
Answer Options: cartilage bone adipose (fat) blood All of these are living tissues. None of these are living tissues. Correct Answer: None of these are living tissues.
Question: The structure that prevents acid reflux is the ______.
Answer Options: gastro-esophageal sphincter pyloric sphincter epiglottis gastric sphincter Correct Answer: gastro-esophageal sphincter
Question: The name for rhythmic smooth muscle contractions occurring along the human digestive system that propel food along the system are termed:
Answer Options: countercurrent exchange phagocytosis peristalsis rumination sphincter contractions Correct Answer: peristalsis
Question: The function of bile is to:
Answer Options: digest proteins secrete hormones digest carbohydrates emulsify fats digest nucleotides emulsify proteins Correct Answer: emulsify fats
Question: The type of epithelial tissue that forms a single layer of elongated cells is:
Answer Options: stratified cuboidal simple squamous stratified squamous stratified columnar simple columnar Correct Answer: simple columnar
Question: Where does most water absorption occur?
Answer Options: small intestine large intestine liver pancreas Correct Answer: large intestine
Question: The main site of food absorption in the human digestive system is the:
Answer Options: esophagus small intestine large intestine rectum Correct Answer: small intestine
Question: When digesting proteins, the stomach is _____.
Answer Options: acidic alkaline neutral Correct Answer: acidic
Question: Which of these types of muscle tissue is NOT under our voluntary control? (Mark all that apply.)
Answer Options: smooth cardiac skeletal Correct Answer: smooth cardiac
Question: Adipose tissue stores energy in the form of _____.
Answer Options: triglycerides ATP glycogen Correct Answer: triglycerides
Question: Reproductive isolation is both a cause and a result of speciation. During the process by which one species becomes two, a very powerful form of reproductive isolation is geographic isolation. This is called _______ speciation.
Answer Options: allopatric sympatric sympathetic terrestrial Correct Answer: allopatric
Question: The Hardy-Weinberg principle assumes conditions with:
Answer Options: no mutations no migration no natural selection random mating All of the above none of the above Correct Answer: All of the above
Question: The process of Natural Selection was proposed by ____________________.
Answer Options: Jean-Baptiste Lamarck Charles Lyell Charles Darwin James Hutton Correct Answer: Charles Darwin
Question: Which explains the need to get a flu vaccine every year? Why is one vaccine not effective for your entire life?
Answer Options: directional selection stabilizing selection diversifying selection mutation genetic drift all of the above none of the above Correct Answer: mutation
Question: Sometimes a species of plant becomes two species when the first species produces offspring with double the number of chromosomes. The two species continue to occupy the same habitat. This is an example of _______ speciation.
Answer Options: allopatric peripatric sympatric bipatric All of these are words that mean the same thing. None of these words describes this situation. Correct Answer: sympatric
Question: This equation (p² + 2pq + q² = 1) represents the _______ principle.
Answer Options: Hardy-Weinberg Darwin-Wallace uncertainty certainty Correct Answer: Hardy-Weinberg